hey, I need help with a bench dip problem, usually when I do them I put a dumbell on my stomach? area for the extra weight, but the problem is sometimes they fall/roll off causing problems. Any ideas...

ok, I figure I'll just post here instead of creating a new topic. its not just that I'm not growing anymore, my bench is at a plateau. I've tried taking a week off, which didnt help. what else can I...